/Engine/Source/Editor/MovieSceneTools/Public/Channels/ConstraintChannelCurveModel.h
Retrieve all key positions that pertain to the specified input key handles
virtual void GetKeyPositions ( [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FKeyHandle](API\Runtime\Engine\Curves\FKeyHandle) > InKeys, [TArrayView](API\Runtime\Core\Containers\TArrayView)< [FKeyPosition](API\Editor\CurveEditor\FKeyPosition) > OutKeyPositions ) const